.page-faq {
  --faq-rule: #232E38;
  --faq-body: #C2CCD5;
  --faq-index-width: 206px;
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 5vw, 52px) 0 clamp(18px, 3vw, 28px);
}

.page-faq .faq-hero::after {
  content: "";
  display: block;
  height: 2px;
  margin-top: clamp(22px, 3vw, 34px);
  background: linear-gradient(90deg, var(--lime) 0%, var(--orange) 42%, transparent 88%);
}

.page-faq .faq-hero .eyebrow {
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-size: clamp(1.95rem, 5.2vw, 3.5rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--bright);
}

.page-faq .faq-hero-lede {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 38ch;
  font-family: var(--font-body);
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 服务时间横幅 ---------- */
.page-faq .faq-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin-top: clamp(22px, 3vw, 32px);
  padding: 12px 16px;
  background: var(--band);
  border: 2px solid var(--edge);
  border-left: 3px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--steel);
}

.page-faq .faq-banner strong {
  font-weight: 700;
  color: var(--bright);
  letter-spacing: 0.06em;
}

.page-faq .faq-pulse {
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--orange);
}

.page-faq .faq-banner-item {
  color: var(--paper);
  word-break: break-all;
}

/* ---------- 问答轨道骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: clamp(26px, 4vw, 46px);
}

.page-faq .faq-track {
  display: grid;
  gap: clamp(34px, 5vw, 62px);
  min-width: 0;
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-index-list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index-link {
  display: block;
  padding: 9px 12px;
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--steel);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: color var(--ease), border-color var(--ease), background-color var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--bright);
  border-bottom-color: var(--lime);
  background: rgba(182, 255, 59, 0.06);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  min-width: 0;
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 2px solid var(--edge);
  scroll-margin-top: 104px;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.28rem, 2.6vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.006em;
  color: var(--bright);
}

.page-faq .faq-group-lede {
  margin: 12px 0 22px;
  max-width: 40ch;
  font-size: 0.96rem;
  line-height: 1.72;
  color: var(--steel);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-rule);
  transition: border-color var(--ease);
}

.page-faq .faq-item[open] {
  border-bottom-color: var(--moss);
}

.page-faq .faq-q {
  font-family: var(--font-head);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.002em;
  color: var(--bright);
}

.page-faq .faq-a {
  color: var(--faq-body);
  font-size: 0.95rem;
  line-height: 1.78;
}

.page-faq .faq-a > p {
  max-width: 46ch;
  margin: 0 0 12px;
}

.page-faq .faq-a > p:last-child {
  margin-bottom: 0;
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 11px 14px;
  background: var(--panel);
  border: 1px solid var(--faq-rule);
  border-left: 3px solid var(--lime);
  transition: border-color var(--ease), background-color var(--ease);
}

.page-faq .faq-step:hover {
  background: #182029;
  border-color: var(--moss);
  border-left-color: var(--lime);
}

.page-faq .faq-step-num {
  font-family: var(--font-mono);
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-faq .faq-step-text {
  font-size: 0.94rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-step-hint {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
  color: var(--steel);
  opacity: 0.7;
  transition: opacity var(--ease), color var(--ease);
}

.page-faq .faq-step:hover .faq-step-hint {
  opacity: 1;
  color: var(--lime);
}

/* ---------- 回访快捷路径 ---------- */
.page-faq .faq-revisit {
  margin: 4px 0 26px;
  padding: 18px 18px 20px;
  background: var(--panel);
  border: 2px solid var(--edge);
  border-left: 4px solid var(--orange);
  box-shadow: 6px 6px 0 var(--edge);
}

.page-faq .faq-revisit-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--bright);
}

.page-faq .faq-revisit-lede {
  max-width: 42ch;
  margin: 8px 0 0;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 图文分栏 ---------- */
.page-faq .faq-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-faq .faq-cols-main {
  min-width: 0;
}

.page-faq .faq-media {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-media--wide {
  margin: 0 0 26px;
}

/* ---------- 短清单 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 7px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-list li {
  position: relative;
  max-width: 46ch;
  padding-left: 20px;
  color: var(--faq-body);
  font-size: 0.93rem;
  line-height: 1.65;
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: 2px;
  background: var(--lime);
}

/* ---------- 兜底面板 ---------- */
.page-faq .faq-help {
  margin-top: clamp(28px, 4vw, 44px);
  scroll-margin-top: 104px;
}

.page-faq .faq-help-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.page-faq .faq-help-item {
  min-width: 0;
  padding: 14px 16px 16px;
  background: var(--band);
  border: 1px solid var(--faq-rule);
  border-top: 3px solid var(--lime);
}

.page-faq .faq-help-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-help-value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--bright);
  word-break: break-all;
}

.page-faq .faq-help-value--text {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--faq-body);
  word-break: normal;
}

.page-faq .faq-help-item .copy-btn {
  margin-top: 12px;
}

.page-faq .faq-help-more {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-rule);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-faq .faq-help-more a {
  color: var(--bright);
  text-decoration: none;
  border-bottom: 1px solid var(--moss);
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .faq-help-more a:hover,
.page-faq .faq-help-more a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-cols {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
    gap: 30px;
    align-items: start;
  }

  .page-faq .faq-help-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-index-width) minmax(0, 1fr);
    gap: 48px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-faq .faq-index-list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-faq .faq-index-link {
    padding: 7px 0 7px 14px;
    border-bottom: 0;
    border-left: 3px solid transparent;
  }

  .page-faq .faq-index-link:hover,
  .page-faq .faq-index-link:focus-visible {
    border-bottom-color: transparent;
    border-left-color: var(--lime);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index-link,
  .page-faq .faq-step,
  .page-faq .faq-step-hint,
  .page-faq .faq-item,
  .page-faq .faq-help-more a {
    transition-duration: 0.001ms;
  }
}